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FreeCustom.Email

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(13)4.6/5

FreeCustom.Email is an API-first email testing platform built for developers and QA teams to automate signup, OTP, and authentication workflows. It enables teams to create inboxes programmatically, receive emails in real time, and extract verification codes or links through a simple API—making end-to-end testing of auth flows reliable and CI-friendly. Unlike traditional disposable email services, FreeCustom.Email is designed specifically for email testing and automation, with built-in OTP extraction, real-time event handling, and seamless integration into modern test pipelines. Key Features - Programmatic inbox creation Create isolated inboxes for each test run using a REST API - OTP and verification link extraction Retrieve one-time passwords and links directly without manual parsing - Real-time email detection WebSocket-based system eliminates polling and reduces flaky tests - CI/CD ready Integrates with Playwright, Cypress, and automated pipelines - Developer-first tooling SDKs for Node.js and Python, CLI support, and API playground - Custom domains and scalable infrastructure Supports both individual developers and high-volume testing environments Common Use Cases - Testing signup and email verification flows - Automating OTP and multi-factor authentication (MFA) - Validating password reset emails - Testing magic link login systems - End-to-end email testing in CI/CD pipelines Why FreeCustom.Email FreeCustom.Email focuses on reliability and automation, helping teams eliminate flaky email-based tests and build deterministic authentication workflows. With a lightweight API, real-time infrastructure, and built-in OTP intelligence, it provides a fast and developer-friendly alternative to tools like Mailosaur and MailSlurp.

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### 76.0

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